Base | Representation |
---|---|
bin | 111111011011001110… |
… | …101010011100010001 |
3 | 20111210011222200110102 |
4 | 333123032222130101 |
5 | 2103433224013401 |
6 | 51141430142145 |
7 | 4630434145052 |
oct | 773316523421 |
9 | 214704880412 |
10 | 68102563601 |
11 | 26978138016 |
12 | 112474b1955 |
13 | 6564300917 |
14 | 3420a18729 |
15 | 1b88c5c56b |
hex | fdb3aa711 |
68102563601 has 24 divisors (see below), whose sum is σ = 73998887040. Its totient is φ = 62643214592.
The previous prime is 68102563579. The next prime is 68102563631. The reversal of 68102563601 is 10636520186.
It is not a de Polignac number, because 68102563601 - 218 = 68102301457 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (68102563631) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2938280 + ... + 2961366.
It is an arithmetic number, because the mean of its divisors is an integer number (3083286960).
Almost surely, 268102563601 is an apocalyptic number.
It is an amenable number.
68102563601 is a deficient number, since it is larger than the sum of its proper divisors (5896323439).
68102563601 is a wasteful number, since it uses less digits than its factorization.
68102563601 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23353 (or 23336 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 38.
The spelling of 68102563601 in words is "sixty-eight billion, one hundred two million, five hundred sixty-three thousand, six hundred one".
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